Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.js"></script>

JavaScript

let defaultValues = {code: '', price: 0, description: ''}
let product = {code: 'MyCode', price: null, description: 'Product Description'}

//I merge these two objects
let merged = _.mergeWith(
	{}, defaultValues, product,
  (a, b) => b === null ? a : undefined
)
console.log(merged)

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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Join the 4+ million users, and keep the JSFiddle dream alive.

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Use pre-released features

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Console